Use of a synthetic GnRH analog to induce reproductive activity in canaries (Serinus canaria)

In this study, we evaluated the effects of a transcutaneously administered gonadotropin-releasing hormone analog (lecirelin) on the reproductive activity of the canary (Serinus canaria). Two groups of 20 pairs of canaries were treated with increasing concentrations of lecirelin delivered in a cream...

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Bibliographic Details
Published inJournal of avian medicine and surgery Vol. 22; no. 2; p. 123
Main Authors Robbe, Domenico, Todisco, Gianluca, Giammarino, Angelo, Pennelli, Massimiliano, Manera, Maurizio
Format Journal Article
LanguageEnglish
Published United States 01.06.2008
Subjects
Administration, Cutaneous
Animals
Canaries
Clutch Size
Female
Male
Oligopeptides - administration & dosage
Oligopeptides - pharmacology
Photoperiod
Reproduction - drug effects
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Summary:In this study, we evaluated the effects of a transcutaneously administered gonadotropin-releasing hormone analog (lecirelin) on the reproductive activity of the canary (Serinus canaria). Two groups of 20 pairs of canaries were treated with increasing concentrations of lecirelin delivered in a cream vehicle; one group was exposed to a natural photoperiod, and the other group received additional photostimulation. Two groups of 10 pairs of canaries served as controls; one group was exposed to an artificially lengthened photoperiod, and the other group was maintained under a natural photoperiod and treated with a nonmedicated cream vehicle. In all canaries treated with lecirelin, the onset of reproductive activity occurred significantly earlier than in either control group.
ISSN:1082-6742
DOI:10.1647/2007-005R1.1